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Electrochemical method of controlling thiolate coverage on a conductive substrate such as gold

United States Patent

5,827,417
October 27, 1998
View the Complete Patent at the US Patent & Trademark Office
Ames Laboratory - Visit the Iowa State University Research Foundation - Office of Intellectual Property & Technology Transfer Website
An electrochemical method for forming a partial monomolecular layer of a predetermined extent of coverage of a thiolate of the formula, XRS--, therein R can be a linear or branched chain hydrocarbon or an aromatic or the like and X can be any compatible end group, e.g., OH, COOH, CH.sub.3 or the like, upon a substrate such as gold, which involves applying in an electrochemical system a constant voltage preselected to yield the desired predetermined extent of coverage.
Porter; Marc D. (Ames, IA), Weisshaar; Duane E. (Sioux Falls, SD)
Iowa State University Research Foundation, Inc. (Ames, IA)
08/ 797,409
February 10, 1997
GRANT REFERENCE The United States government has certain rights in this invention pursuant to Contract No. W-7405-Eng-82 between the U.S. Department of Energy and Iowa State University, [(DOE-ISU) and] Contract No. ITA[81]87-02 between the U.S. Department of [Energy (National Aeronautic Space Administration) Commerce and Iowa State University and Grant Numbers NAS7-918 and JPL959452 awarded by NASA.